
var one = new Vue({
    el: "#vue-app-one",
    data:{
        title:"app one的内容"

    },
    methods:{

    },
    computed:{
        greet:function () {
            return "Hello app one"
        }
    }
});

var two = new Vue({
    el: "#vue-app-two",
    data:{
        title:"app two的内容"

    },
    methods:{
        changeTitle:function () {
            one.title = "已经改名了";
        }
    },
    computed:{
        greet:function () {
            return "Hello app two"
        }
    }
});

two.title = "app two 的标题的改变了";